FlightRecord

Idaho Falls Regional Airport (IDA): Delays & On-Time Performance

Data through July 2026

Idaho Falls Regional Airport (IDA) runs noticeably smoother than most US airports: 83% of its ~13 daily departures leave on time, 5 points above the national average, with an average departure delay of just 20 minutes. 4 airlines fly from Idaho Falls, ID to 12 destinations.

Departures on-time
83%
left <15 min late
Avg dep delay
20 min
Arrivals on-time
81%
Cancelled
0.7%
Destinations
12
nonstop
Airlines
4

Plan your departure from IDA

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 11 a.m.
96% on-time
Best day to fly
Wednesday
83% on-time
Most reliable airline here
Delta Air Lines
90% on-time from IDA
Cancellation risk
0.7%
below the US average
Check routes from IDA ↓Compare nearby airports ↓

Monthly on-time trend

Monthly departure on-time percentage at IDA50%75%100%August 2024: 86% on-time (312 flights)86Aug 2024September 2024: 91% on-time (301 flights)91October 2024: 84% on-time (307 flights)84November 2024: 87% on-time (303 flights)87Nov 2024December 2024: 84% on-time (328 flights)84January 2025: 77% on-time (316 flights)77February 2025: 79% on-time (282 flights)79Feb 2025March 2025: 89% on-time (325 flights)89April 2025: 84% on-time (307 flights)84May 2025: 85% on-time (359 flights)85May 2025June 2025: 83% on-time (392 flights)83July 2025: 78% on-time (429 flights)78August 2025: 81% on-time (451 flights)81Aug 2025September 2025: 84% on-time (387 flights)84October 2025: 83% on-time (378 flights)83November 2025: 91% on-time (393 flights)91Nov 2025December 2025: 80% on-time (400 flights)80January 2026: 85% on-time (327 flights)85February 2026: 87% on-time (275 flights)87Feb 2026March 2026: 80% on-time (341 flights)80April 2026: 86% on-time (340 flights)86May 2026: 83% on-time (417 flights)83May 2026June 2026: 81% on-time (501 flights)81July 2026: 77% on-time (514 flights)77

Best time of day to depart from IDA

On-time percentage by scheduled departure hour at IDA5 a.m.: 91% on-time (476 flights)56 a.m.: 92% on-time (1,191 flights)67 a.m.: 90% on-time (1,005 flights)79 a.m.: 94% on-time (114 flights)910 a.m.: 86% on-time (732 flights)1011 a.m.: 96% on-time (206 flights)1112 p.m.: 73% on-time (390 flights)121 p.m.: 81% on-time (1,200 flights)132 p.m.: 77% on-time (948 flights)143 p.m.: 89% on-time (313 flights)154 p.m.: 66% on-time (572 flights)165 p.m.: 74% on-time (635 flights)176 p.m.: 84% on-time (730 flights)187 p.m.: 87% on-time (208 flights)1910 p.m.: 63% on-time (133 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday80%28 min
Tuesday81%15 min
Wednesdaybest83%18 min
Thursday81%17 min
Friday80%25 min
Saturday82%15 min
Sunday82%19 min

Next: compare the busiest routes from IDA ↓

Busiest routes from IDA

RouteFlights/12moOn-timeAvg delay
IDA → DEN (Denver)1,69979%19 min
IDA → SLC (Salt Lake City)1,19391%11 min
IDA → DFW (Dallas/Fort Worth)52975%22 min
IDA → SEA (Seattle)36684%8 min
IDA → AZA (Phoenix)21979%24 min
IDA → PHX (Phoenix)20087%21 min
IDA → ORD (Chicago)16960%43 min
IDA → PDX (Portland)11965%46 min
IDA → LAS (Las Vegas)11468%75 min
IDA → SNA (Santa Ana)10572%41 min

Compare airlines departing IDA ↓

Where flights into IDA come from

RouteFlights/12moOn-timeAvg delay
DEN (Denver) → IDA1,69879%16 min
SLC (Salt Lake City) → IDA1,19388%9 min
DFW (Dallas/Fort Worth) → IDA52876%19 min
SEA (Seattle) → IDA36780%11 min
AZA (Phoenix) → IDA21987%8 min
PHX (Phoenix) → IDA20081%14 min
ORD (Chicago) → IDA17057%25 min
PDX (Portland) → IDA11977%37 min

Most reliable routes

  1. IDA → SLC91%
  2. IDA → PHX87%
  3. IDA → SEA84%
  4. IDA → AZA79%
  5. IDA → DEN79%

Most delay-prone routes

  1. IDA → ORD60%
  2. IDA → PDX65%
  3. IDA → LAS68%
  4. IDA → SNA72%
  5. IDA → DFW75%

What causes delays at IDA

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing IDA.

  • Late-arriving aircraft24%
  • Airline operations49%
  • National airspace system14%
  • Weather14%

Alternative airports near Idaho Falls

Other airports within 120 miles, compared on departure reliability.

AirportDistanceOn-time departuresAvg delay
JAC — Jackson Hole Airport67 mi77%26 min
SUN — Friedman Memorial Airport111 mi87%16 min

Compare the airport-level record first, then check the exact route you plan to book.

Airline performance at IDA

AirlineOn-time departuresAvg delayFlights
Delta Air Lines90%18 min625
SkyWest Airlines84%16 min7,051
Allegiant Air75%43 min1,116
United Airlines73%30 min215

Frequently asked questions

How often are flights delayed at IDA?
17% of departures from Idaho Falls Regional Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 20 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from IDA?
Flights scheduled around 11 a.m. depart on time 96% of the time at IDA, versus 63% around 10 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at IDA?
In this dataset, January 2025 was the weakest month at IDA, with 77% of departures on time.
How often are flights cancelled at IDA?
0.7% of scheduled departures from IDA were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 9,007 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.